Historical Social Security and FICA Tax Rates for a Family of Four

Average and marginal employee Social Security and Medicare (FICA) tax rates for two-parent families of four at the same relative positions in the income distribution from 1955 to 2015.

The History of Your Social Security Payments

Do You Have To Pay Tax On Your Social Security Benefits?

Find the Social Security and Medicare tax rates for the curr

Publication 505 (2023), Tax Withholding and Estimated Tax

Research: Income Taxes on Social Security Benefits

Who Pays Federal Income Taxes? IRS Federal Income Tax Data, 2023

Maximum Taxable Income Amount For Social Security Tax (FICA)

Social Security History

Social Security Lifts More People Above the Poverty Line Than Any Other Program

Inflation Pushes Social Security COLA to 8.7% in 2023, Highest Increase in Four Decades - WSJ

Putting federal spending in context

Income Tax Time: Rates Then & Now – Options Edge